<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <script src="https://cdn.bootcdn.net/ajax/libs/vue/2.6.10/vue.js"></script>
    <title>Document</title>
</head>
<body>
    <div id="root">
        <h1>{{msg}}</h1>
        <h1>{{count}}</h1>
    </div>
<script>
    
    const vm = new Vue({
        el: "#root",
        data: {
            msg: 'hello Vue',
            count: 0
        }
    })
    for (var i = 0, j = 0; i < 5, j < 10; i++) {
        console.log(i, j);
    }
</script>
</body>
</html>